If your destination is east of Village Center Drive (shown in blue), use Yorba Linda Boulevard/Weir Canyon Road from the Riverside Freeway to get to and from your destination. If your destination is west of Village Center, use Imperial Highway to the greatest extent possible to get to and from your destination.
If you have recurrent mouth ulcers, they may be caused by an underlying medical condition, such as those outlined below. 1  Vitamin B12 deficiency: vitamin B12 helps to make red blood cells and keeps your body's nervous system healthy. 2  A lack of vitamin B12 can cause tiredness, shortness of breath and mouth ulcers.
Causes. They are usually simple aphthous ulcers. A typical aphthous ulcer has a red rim with a greyish centre. Less frequently, they can be caused by Candida, herpes simplex, Kaposi's sarcoma, lymphoma or a low white cell count (neutropenia) and they may develop into bacterial infections. Treatment with ddC has been associated with the development of mouth ulcers in 15 to 30% of people who take the drug.